Home / 258,089,516.67-387,134,645.28-197,025,384.50

Finding the Fourth Proportional to 258,089,516.67, 387,134,645.28 and 197,025,384.50

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Solution

The fourth proportional to 258,089,516.67, 387,134,645.28 and 197,025,384.50 is: 295,538,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,089,516.67 : 387,134,645.28 = 197,025,384.50 : x
  2. Step 2: Convert to fraction form
    258,089,516.67/387,134,645.28 = 197,025,384.50/x
  3. Step 3: Cross multiply
    258,089,516.67x = 387,134,645.28 × 197,025,384.50
  4. Step 4: Simplify right side
    258,089,516.67x = 76,275,352,339,563,104
  5. Step 5: Solve for x
    x = 76,275,352,339,563,104/258,089,516.67
  6. Step 6: Final answer
    x = 295,538,359.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.